136553445 has 80 divisors (see below), whose sum is σ = 285753600. Its totient is φ = 62360928.

The previous prime is 136553407. The next prime is 136553447. The reversal of 136553445 is 544355631.

It is not a de Polignac number, because 136553445 - 2¹¹ = 136551397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136553447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 138424 + ... + 139406.

It is an arithmetic number, because the mean of its divisors is an integer number (3571920).

Almost surely, 2^136553445 is an apocalyptic number.

136553445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136553445 is an abundant number, since it is smaller than the sum of its proper divisors (149200155).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136553445 is an frugal number, since it uses more digits than its factorization.

136553445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 998 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 136553445 is about 11685.6084565589. The cubic root of 136553445 is about 514.9529538826.

The spelling of 136553445 in words is "one hundred thirty-six million, five hundred fifty-three thousand, four hundred forty-five".